[comp.ai] Cognitive Science Society Conference in Ann Arbor

ghh@vertigo.princeton.edu (Gilbert Harman) (08/10/89)

For registration information contact U. of Michigan
Extension Service, Dept. of Conferences & Institutes, 200
Hill Street, Ann Arbor, MI 48104-3297
Phone: (313) 764-5304

The Eleventh Annual Conference 
of the Cognitive Science Society

Program and Time Schedule

WEDNESDAY, AUGUST 16, 1989

7:30 am - 10:00 pm  - Registration - Concourse

9:00 - 5:00 pm

Mendelssohn Theater

Parallel Distributed Processing Tutorial
	Jay McClelland, Carnegie Mellon University
	David E. Rumelhart, Stanford University

1:00 - 5:00 pm

Hussey Room

Soar Tutorial
	John Laird, University of Michigan
	Allen Newell, Carnegie Mellon University
	Paul Rosenbloom, Information Science Institute, University of 
Southern California

7:00 - 10:30 pm - OPENING RECEPTION & POSTER SESSION  - 
			Ball Room

Connectionism and Intentionality
	William Bechtel, Georgia State University

A Connectionist Model of Category Size Effects During Learning
	Timothy J. Breen, Boeing Advanced Technology Center

A Connectionist Model of Phonological Short-Term Memory
	Gordon D. A. Brown, University College of North Wales

Toward a Connectionist Model of Symbolic Emergence
	Yves Chauvin, Stanford University

Representing Variable Information with Simple Recurrent Networks
	Catherine L. Harris, University of California, San Diego
	Jeffrey L. Elman, University of California, San Diego

EBL and SBL:  A Neural Network Synthesis
	Bruce F. Katz, University of Illinois at Urbana-Champaign

Competition and Learning in a Connectionist Deterministic Parser
	Stan C. Kwasny, Washington University
	Kanaan A. Faisal, Washington University

DESCARTES:  Development Environment for Simulating Hybrid 
Connectionist Architectures
	Trent  E. Lange, University of California, Los Angeles
	Jack B. Hodges, University of California, Los Angeles
	Maria E. Fuenmayor, University of California, Los Angeles
	Leonid V. Belyaev, University of California, Los Angeles

Frame Selection in a Connectionist Model of High-Level Inferencing
	Trent  E. Lange, University of California, Los Angeles
	Michael G. Dyer, University of California, Los Angeles

A Symbolic/Connectionist Script Applier Mechanism
	Geunbae Lee, University of California, Los Angeles
	Margot Flowers, University of California, Los Angeles
	Michael G. Dyer, University of California, Los Angeles

Lexical Ambiguity Resolution in a Constraint Satisfaction Network
	Michael E. J. Masson, University of Victoria

The Role of Computational Temperature in a Computer Model of 
Concepts and Analogy-Making
	Melanie Mitchell, Indiana University
	Douglas R. Hofstadter, Indiana University

An Interactive Activation Model for Priming of Geographical 
Information
	Paul Munro, University of Pittsburgh
	Stephen C. Hirtle, University of Pittsburgh

Dynamic Reinforcement Driven Error Propagation Networks with 
Application to Game Playing
	Tony Robinson, Cambridge University
	Frank Fallside, Cambridge University

A Case for Symbolic/Sub-Symbolic Hybrids
	Daniel E. Rose, University of California, San Diego
	Richard K. Belew, University of California, San Diego

Neural Network Models of Memory Span
	Richard Schweickert, Purdue University
	Lawrence Guentert, Purdue University
	Lora Hersberger, Purdue University

The Lexical Distance Model and Word Priming
	Noel E. Sharkey, University of Exeter

Processing Unification-Based Grammars in a Connectionist 
Framework
	Andreas Stolcke, University of California, Berkeley and 	
		International Computer Science Institute

A Discrete Neural Network Model for Conceptual Representation and 
Reasoning
	Ron Sun, Brandeis University

Learning Semantic Relationships in Compound Nouns with 
Connectionist Networks
	Stefan Wermter, University of Massachusetts

THURSDAY, AUGUST 17, 1989

7:30 am - 4:30 pm  - Registration - Concourse

8:30 - 10:30 am

PAPER PRESENTATION
Connectionism 1
Hussey Room
Chair:  David S. Touretzky, Carnegie Mellon University

Chunking in a Connectionist Network
	David S. Touretzky, Carnegie Mellon University

A PDP Model of Sequence Learning that Exhibits the Power Law
	Yoshiro Miyata, Bell Communications Research

Structured Representations and Connectionist Models
	Jeffrey L. Elman, University of California, San Diego

Is There RCatastrophic InterferenceS in Connectionist Networks?
	Phil A. Hetherington, McGill University 
	Mark S. Seidenberg, McGill University

Compositionality and the Explanation of Cognitive Processes
	Timothy J. van Gelder, Indiana University

PANEL DISCUSSION
Conceptual Change In Scientists and Children
Vandenberg Room
Chair:  Susan Gelman, University of Michigan

This panel will address a common set of questions concerning (1) the 
nature of conceptual change and (2) the similarities and differences 
between conceptual change in children and conceptual change in the 
history of science.

	Susan Gelman, University of Michigan
	William Brewer, University of Illinois at Urbana-Champaign
	Susan Carey, Massachusetts Institute of Technology
	Micki Chi, University of Pittsburgh
	Nancy Nersessian, Princeton University
	Paul Thagard, Princeton University

PAPER PRESENTATIONS
Learning 1
Henderson Room 
Chair:  Colleen M. Seifert, University of Michigan

Learning from Error
	Colleen M. Seifert, University of Michigan
	Edwin L. Hutchins, University of California, San Diego

A State-Space Model for Prototype Learning
	In Jae Myung, Purdue University
	Jerome R. Busemeyer, Purdue University

Learning Simple Arithmetic Procedures
	Garrison W. Cottrell, University of California, San Diego
	Fu-Sheng Tsung, University of California, San Diego

THIYOS:  A Classifier System Model of Implicit Knowledge of 
Artificial Grammars 
	Barry B. Druhan, Louisiana State University 
	Robert C. Mathews, Louisiana State University

10:30 - 11:00 am - Break - Concourse

11:00 - 12:15 pm

PLENARY SESSION
Mendelssohn Theater
Chair:  John Holland, University of Michigan

The Cognitive Architecture of a Robot That Walks and Learns
Speaker:  David Waltz, Thinking Machines Corporation

12:15 - 1:30 pm - Lunch

1:30 - 3:30 pm

PANEL DISCUSSION
The Role of Attention in High Level Vision:  Cognitive Neuroscience 
	Perspectives
Mendelssohn Theater
Chair:  David Plaut, Carnegie Mellon University

A Functional Scheme for Visual Selective Attention
	John Duncan, MRC Applied Psychology Unit, Cambridge, England

ATTENTION!:  Neural Mechanisms in Extrastriate Cortex in Monkeys
	Robert Desimone, National Institute of Health

Visual Attention to Locations and Objects:  Evidence from the Neglect 
Syndrome
	Martha Farah, Carnegie Mellon University

The Role of Imagery in Object Recognition
	Stephen Kosslyn, Harvard University

On the Interaction of Selective Attention and Lexical Knowledge:  A 
Distributed Connectionist Model of Neglect Dyslexia
	Michael Mozer, University of Colorado at  Boulder

PAPER PRESENTATIONS
Language 1
Vandenberg Room
Chair:  Neff Walker, University of Michigan

Lexical Conceptual Structure and Generation in Machine Translation
	Bonnie J. Dorr, Massachusetts Institute of Technology

Robust Lexical Selection in Parsing and Generation
	Michael Gasser, Indiana University

Causal/Temporal Connectives:  Syntax and Lexicon
	Michael Brent, Massachusetts Institute of Technology

A Critical Look at the Foundations of Autonomous Syntactic Analysis
	Lawrence Birnbaum, Yale University

PAPER PRESENTATIONS
Knowledge Representation 1
Hussey Room
Chair:  Richard Catrambone, Georgia Tech University

The Frame of Reference Problem in Cognitive Modeling
	William J. Clancey, Institute for Research on Learning

The Many Uses of TBeliefU in AI
	Robert F. Hadley, Simon Fraser University

Using View Types to Generate Explanations in Intelligent Tutoring 
Systems
	Art Souther, University of Texas at Austin
	Liane Acker, University of Texas at Austin
	James Lester, University of Texas at Austin
	Bruce Porter, University of Texas at Austin

Relations Relating Relations
	Robert L. Goldstone, University of Illinois at  Urbana-	
		Champaign
	Dedre Gentner, University of Illinois at  Urbana-Champaign
	Douglas L. Medin, University of Illinois at  Urbana-Champaign

3:30 - 4:00 pm - Break - Concourse

4:00 - 6:00 pm

PANEL DISCUSSION
Distributed Cognition
Hussey Room 
Chair:  Donald Norman, University of California, San Diego
Discussant:	Lauren B. Resnick, University of Pittsburgh

Cognitive Artifacts
	Donald Norman, University of California, San Diego

Socially Distributed Cognition
	Edwin L. Hutchins, University of California, San Diego

Collaborative Work
	Gary M. Olson, University of Michigan, and Judith S. Olson, 
		University of Michigan

PAPER PRESENTATIONS
Case-Based Reasoning
Henderson Room
Chair:  Steven L. Lytinen, University of Michigan

Integrating Generalizations with Exemplar-Based Reasoning
	L. Karl Branting, University of Texas at Austin

Combining Explanation Types for Learning by Understanding 
Instructional Examples
	Michael Redmond, Georgia Institute of Technology

Selecting the Best Case for a Case-Based Reasoner
	Janet L. Kolodner, Georgia Institute of Technology

Integrating Feature Extraction and Memory Search
	Christopher Owens, Yale University

The Function of Examples in Learning a Second Language From an 
Instructional Text
	Carol E. Moon, University of Michigan
	Steven L. Lytinen, University of Michigan

4:00 - 6:30 pm

PANEL DISCUSSION
On-Line Analysis of Sentence Processing:  The Role of Structure and 
	Inference
Vandenberg Room
Chair:  David A. Swinney, Graduate Center, City University of New 
		York

Structure and Inference During Language Comprehension:  An 
Overview of Psychological Issues and Evidence
	David A. Swinney, Graduate Center, City University of New York

Empty Categories in Sentence Processing:  Linguistic Issues
	Janet Dean Fodor, Graduate Center, City University of New York

Parsing Complex Sentences:  From Transformations to Chains
	Charles Clifton, University of Massachusetts

An ERP Study of Preferred Verb Argument Structure in Gap Filling
	Susan M. Garnsey, University of Illinois

The Assignment of Empty Categories:  Linguistic Representation After 
Semantic Comprehension
	Thomas G. Bever, University of Rochester

The Role of Thematic Structure in Parsing and Interpreting Sentences 
with Empty Categories
	Michael K. Tanenhaus, University of Rochester

7:00 - 10:30 pm - Poster Session - Ball Room

Learning Relative Attribute Weights for Instance-Based Concept 
Descriptions
	David W. Aha, University of California, Irvine
	Dale M. McNulty, University of California, Irvine

Selective Associations in Causality Judgments II:  A Strong Causal 
Relationship May Facilitate Judgments of a Weaker One
	A. G. Baker, McGill University
	Dwight Mazmanian, Concordia University 

Representation and Acquisition of Knowledge of Functional Systems
	Serge Baudet, University of Paris  VIII
	Guy Denhiere, University of Paris  VIII

Coherence Relation Assignment
	Kathleen Dahlgren, IBM/Los Angeles Scientific Center

A Model for Contextualizing Natural Language Discourse
	John Dinsmore, Southern Illinois University at Carbondale

An Intelligent Tutoring System Approach to Teaching People How to 
Learn
	Richard G. Feifer, University of California, Los Angeles

True and Pseudo Framing Effects
	Deborah Frisch, University of Oregon

Question Answering in the Context of Causal Mechanisms
	Arthur C. Graesser II, Memphis State University
	Darold Hemphill, Memphis State University
	Lawrence E. Brainerd, Memphis State University

Learning a Troubleshooting Strategy:  The Roles of Domain Specific 
Knowledge and General Problem-Solving Strategies
	Leo Gugerty, Educational Testing Service

Device Representation for Modeling Improvisation in Mechanical Use 
Situations
	Jack Hodges, University of California, Los Angeles

TConfirmation BiasU in Rule Discovery and the Principle of Maximum 
Entropy
	Edward Hoenkamp, University of California, Los Angeles

Modeling of User Performance with Computer Access and Alternative 
Communication Systems for Handicapped People
	Heidi  M. Horstmann, University of Michigan
	Simon P. Levine, University of Michigan

Focusing Your RST:  A Step Toward Generating Coherent 
Multisentential Text
	Eduard H. Hovy, University of Southern California
	Kathleen F. McCoy, University of Delaware

Individual Differences in the Revision of an Abstract Knowledge 
Structure
	Stephen Jackson, MRC Applied Psychology Unit, Cambridge, 
		England

Distributed Problem Solving:  The Social Contexts of Learning and 
Transfer
	James A. Levin, University of Illinois at Urbana-Champaign
	Naomi Miyake, Aoyama Gakuin Women's College, Tokyo, Japan
	Michael Waugh, University of Illinois at Urbana-Champaign

A Framework for Psychological Causal Induction:  Integrating the 
Power and Covariation Views
	Yunn-wen Lien, University of California, Los Angeles
	Patricia W. Cheng, University of California, Los Angeles

Lexical vs. Nonlexical Cognitive Processing:  Is General Slowing 
Domain-Specific?
	Susan D. Lima, University of Wisconsin, Milwaukee
	Sandra Hale, Washington University
	Joel Myerson, Washington University

Does Function Provide a Core for Artifact Concepts?
	Barbara C. Malt, Lehigh University
	Eric C. Johnson, Lehigh University

Planning in an Open World:  A Pluralistic Approach
	Mitchell Marks, University of Chicago
	Kristian J. Hammond, University of Chicago
	Tim Converse, University of Chicago

Apprenticeship or Tutorial:  Models for Interaction with an 
Intelligent Instructional System
	Denis Newman, BBN Systems and Technologies Corporation

Abduction and World Model Revision
	Paul O'Rorke, University of California, Irvine
	Steven Morris, University of California, Irvine
	David Schulenburg, University of California, Irvine

A Linguistic Approach to the Problem of Slot Semantics
	H. Van Dyke Parunak, Industrial Technology Institute

Parsing and Representing Container Metaphors
	R. Pascale, Virginia Polytechnic Institute and State University
	J. W. Roach, Virginia Polytechnic Institute and State University
	R. S. Virkar, Virginia Polytechnic Institute and State University

The Influence of Prior Theories on the Ease of Concept Acquisition
	Michael J. Pazzani, University of California, Irvine
	David Schulenburg, University of California, Irvine

Recognition of Melody Fragments in Continuously Performed Music
	Robert Port, Indiana University
	Sven Anderson, Indiana University

Computing Value Judgments During Story Understanding
	John F. Reeves, University of California, Los Angeles

A Cooperative Model of Intuition and Reasoning for Natural Language 
Processing - Microfeatures and Logic
	Hideo Shimazu, NEC Corporation
	Yosuke Takashima, NEC Corporation

Reinterpretation and the Perceptual Microstructure of Conceptual 
Knowledge
	Jeff Shrager, Xerox PARC

A Model of Natural Category Structure and its Behavioral 
Implications
	Jane Silber, Vanderbilt University
	Douglas Fisher, Vanderbilt University

Qualitative and Quantitative Reasoning About Thermodynamics
	Gordon Skorstad, University of Illinois at Urbana-Champaign
	Kenneth D. Forbus, University of Illinois at Urbana-Champaign

An Approach to Constructing Student Models:  Status Report for the 
Programming Domain
	James C. Spohrer, Yale University

Preattentive Indexing and Visual Counting:  FINSTs and the 
Enumeration of Concentric Items
	Lana Trick, University of Western Ontario
	Zenon Pylyshyn, University of Western Ontario

Making Conversation Flexible
	Elise H. Turner, Georgia Institute of Technology
	Richard E. Cullingford, Georgia Institute of Technology

When Reactive Planning is Not Enough:  Using Contextual Schemas to 
React Appropriately to Environmental Change
	Roy M. Turner, Georgia Institute of Technology

Search in Analogical Reasoning
	Joseph P. Vybihal, McGill University
	Thomas R. Shultz, McGill University

Capturing Intuitions About Human Language Production
	Nigel  Ward, University of Tokyo and University of California, 
		Berkeley

The Role of Intermediate Abstractions in Understanding Science and 
Mathematics
	Barbara Y. White, BBN Laboratories

Learning From Examples:  The Effect of Different Conceptual Roles
	Edward J. Wisniewski, University of Illinois at Urbana-	
		Champaign

Active Acquisition for User Modeling in Dialog Systems
	Dekai Wu, University of California, Berkeley
	Bettina Horster, University of Dortmund, West Germany

FRIDAY, AUGUST 18, 1989

8:30 am - 4:30 pm  - Registration - Concourse

8:30 - 10:30 am

PAPER PRESENTATIONS
Connectionism 2
Hussey Room
Chair:  Garrison W. Cottrell, University of California, San Diego

Token Frequency and Phonological Predictability in a Pattern 
Association Network:  Implications for Child Language Acquisition
	Virginia Marchman, University of California, San Diego
	Kim Plunkett, University of Aarhus, Denmark

Towards a Connectionist Phonology:  The RMany MapsS Approach to 
Sequence Manipulation
	David S. Touretzky, Carnegie Mellon University

A Connectionist Model of Form-Related Priming Effects
	Robert R. Peterson, University of Rochester
	Gary S. Dell, University of Rochester
	Padraig G. O'Seaghdha, University of Rochester

Figurative Adjective-Noun Interpretation in a Structured 
Connectionist Network
	Susan Hollbach Weber, University of Rochester

PAPER PRESENTATIONS
Reasoning 1
Vandenberg Room
Chair:  John M. Miyamoto, University of Washington

Anomalous Conditional Judgments and Ramsey's Thought Experiment
	John M. Miyamoto, University of Washington
	James W. Lundell, Hewlett-Packard
	Shihfen Tu, University of Washington

Competition for Evidential Support
	Gilbert Harman, Princeton University

Managing Uncertainty in Rule-Based Reasoning
	Thomas R. Shultz, McGill University
	Philip David Zelazo, McGill University  
	Daniel J. Engelberg, McGill University

Explorations in the Contributors to Plausibility
	Cynthia L. Loiselle, University of Massachusetts
	Paul R. Cohen, University of Massachusetts

PANEL DISCUSSION
Applications of Cognitive Science
Mendelssohn Theater
Chair:  Gary M. Olson, University of Michigan

Understanding in Practice and Theory
	Clayton Lewis, University of Colorado at Boulder

Intelligent Tutors and the Study of Skill Acquisition
	John Anderson, Carnegie Mellon University

Theory and Applications - A Two-Way Street
	Walter Kintsch, University of Colorado at Boulder

Title to be announced
	Tom Landauer, Bell Communication Research

10:30 - 11:00 am - Break - Concourse

11:00 - 12:15 pm

PLENARY SESSION
Mendelssohn Theater
Chair:  Gary M. Olson, University of Michigan

A Law of Generalization and Connectionist Learning
Speaker:  Roger N. Shepard, Stanford University

12:15 - 1:30 pm - Lunch

1:30 - 3:30 pm

PANEL DISCUSSION
Rules & Inductive Reasoning
Mendelssohn Theater
Chair:  Edward E. Smith, University of Michigan

Rules and Rule-Like Behavior
	Douglas L. Medin, University of Illinois at Urbana-Champaign

Criteria for Rule Following	
	Edward E. Smith, University of Michigan
	Richard Nisbett, University of Michigan
	Chris Langston, University of Michigan

The Logic of Plausible Reasoning
	Alan Collins, Bolt Beranek and Newman

On Following Rules:  A Biological Solution to the Kripke-Uittgenstein 
Paradox
	Ruth Millikan, University of Connecticut

The Emergence of Internal Models Under Inductive Processes
	John Holland, University of Michigan

PAPER PRESENTATIONS
Language 2
Vandenberg Room
Chair:  Douglas A. Behrend, University of Michigan

A Theory of the Aspectual Progressive
	Michael J. Almeida, Pennsylvania State University

Default Values in Verb Frames:  Cognitive Biases for Learning Verb 
Meanings
	Douglas A. Behrend, University of Michigan

Generating Temporal Expressions in Natural Language
	David R. Forster, University of Massachusetts

The Role of Abstraction in Place Vocabularies 
	Paul Nielsen, General Electric

PAPER PRESENTATIONS
Design and Negotiation
Hussey Room
Chair:  Judith S. Olson, University of Michigan

Cognitive Efficiency Considerations for Good Graphic Design
	Stephen Casner, University of Pittsburgh
	Jill H. Larkin, Carnegie Mellon University

A Process Model of Experience-Based Design
	Katia P. Sycara, Carnegie Mellon University
	D. Navinchandra, Carnegie Mellon University

Cognition in Design Process
	Chiu-Shui Chan, Carnegie Mellon University

Evaluation of Suggestions During Automated Negotiations
	Sarit Kraus, University of Maryland
	Eithan Ephrati, The Hebrew University, Israel
	Daniel Lehmann, The Hebrew University, Israel

3:30 - 4:00 pm - Break - Concourse

4:00 - 6:00 pm

PANEL DISCUSSION
Connectionist Models of Language
Hussey Room
Chair:  Jay McClelland, Carnegie Mellon University

Models of Language:  Rules or Connections?
	Jay McClelland, Carnegie Mellon University

Discovering Syntactic Structure Using Simple Recurrent Networks
	Jeffrey L. Elman, University of California, San Diego

A Crosslinguistic Connectionist Model for Morphological Learning
	Brian MacWhinney, Carnegie Mellon University

Sentence Comprehension by Parallel Constraint Satisfaction
	Mark St. John, Carnegie Mellon University

U-Shaped Learning Curves in a Connectionist Model of Past Tense 
Learning
	Virginia Marchman, University of California, San Diego 
	Kim Plunkett, University of Aarhus, Denmark

PAPER PRESENTATIONS
Learning 2
Vandenberg Room
Chair:  Mark A. Gluck, Stanford University

Composite Holographic Associative Recall Model (CHARM) and 
Blended Memories in Eyewitness Testimony
	Janet Metcalfe, University of California, San Diego

A Two-Stage Categorization Model of Family Resemblance Sorting
	Woo-Kyoung Ahn, University of Illinois at Urbana-Champaign
	Douglas L. Medin, University of Illinois at Urbana-Champaign

A Configural-Cue Network Model of Animal and Human Associative 
Learning
	Mark A. Gluck, Stanford University
	Gordon H. Bower, Stanford University
	Michael R. Hee, Stanford University

Induction of Continuous Stimulus-Response Relations
	Kyunghee Koh, University of Michigan
	David E. Meyer, University of Michigan

PAPER PRESENTATIONS
Knowledge Representation 2
Henderson Room
Chair:  Judith S. Olson, University of Michigan

Structural Evaluation of Analogies:  What Counts?
	Kenneth D. Forbus, University of Illinois at Urbana-Champaign
	Dedre Gentner, University of Illinois at Urbana-Champaign

Structural Representations of Music Performance
	Caroline Palmer, Ohio State University

A Logic for Emotions:  A Basis for Reasoning About Commonsense 
Psychological Knowledge
	Kathryn E. Sanders, Brown University

Extracting Visual Information From Text:  Using Captions to Label 
Human Faces in Newspaper Photographs
	Rohini K. Srihari, State University of New York at Buffalo
	William J. Rapaport, State University of New York at Buffalo 

6:00 - 6:30 pm - Society Business Meeting - Hussey Room

6:30 - 9:00 pm - Banquet - Ball Room

SATURDAY, AUGUST 19, 1989

8:00 am - 12:00 pm  - Registration - Concourse

8:30 - 10:30 am

PAPER PRESENTATIONS
Connectionism 3
Hussey Room
Chair:  Richard K. Belew, University of California, San Diego

Head-Driven Massively-Parallel Constraint Propagation:  Head-
Features and Subcategorization as Interacting Constraints in 
Associative Memory
	Hideto Tomabechi, Carnegie Mellon University
	Lori Levin, Carnegie Mellon University

Virtual Memories and Massive Generalization in Connectionist 
Combinatorial Learning
	Olivier Brousse, University of Colorado at Boulder
	Paul Smolensky, University of Colorado at Boulder

Connectionist Variable-Binding by Optimization
	P. Anandan, Yale University
	Stanley Letovsky, Carnegie Mellon University 
	Eric Mjolsness, Yale University

Efficient Inference with Multi-Place Predicates and Variables in a 
Connectionist System
	Venkat Ajjanagadde, University of Pennsylvania
	Lokendra Shastri, University of Pennsylvania

PAPER PRESENTATIONS
Reasoning 2
Henderson Room
Chair:  Jeff Shrager, Xerox PARC

On the Nature of Children's Naive Knowledge
	Stella Vosniadou, University of Illinois at Urbana-Champaign 
		and Aristotelian University of Thessaloniki/Greece

Comparing Historical and Intuitive Explanations of Motion:  Does 
"Naive Physics" Have a Structure?
	Nancy J. Nersessian, Princeton University 
	Lauren B. Resnick, University of Pittsburgh

Qualitative Geometric Reasoning
	Robert K. Lindsay, University of Michigan

Scientific Reasoning Strategies in a Simulated Molecular Genetics 
Environment
	Kevin Dunbar, McGill University

PAPER PRESENTATIONS
Skill Acquisition
Vandenberg Room
Chair:  Kurt VanLehn, Carnegie Mellon University

Learning Events in the Acquisition of Three Skills
	Kurt VanLehn, Carnegie Mellon University

Perceptual Chunks in Geometry Problem Solving:  A Challenge to 
Theories of Skill Acquisition
	Kenneth R. Koedinger, Carnegie Mellon University
	John R. Anderson, Carnegie Mellon University

Empirical Analyses of Self-Explanation and Transfer in Learning to 
Program
	Peter Pirolli, University of California, Berkeley
	Kate Bielaczyc, University of California,  Berkeley

Action Planning:  Producing UNIX Commands
	Stephanie M. Doane, University of Colorado at Boulder
	Walter Kintsch, University of Colorado at Boulder 
	Peter Polson, University of Colorado at Boulder

10:30 - 11:00 am - Break - Concourse

11:00 - 12:15 pm

PLENARY SESSION
Mendelssohn Theater
Chair:  John Jonides, University of Michigan

Direct Perception and Recognition as Distinct Perceptual Systems
Speaker:  Ulric Neisser, Emory University

12:15 - 1:30 pm - Lunch

1:30 - 3:30 pm

PAPER PRESENTATIONS
Distributed Representations in Adaptive Network Models
Hussey Room
Chair:  Mark A. Gluck, Stanford University

Stimulus Sampling in a Distributed Network Model:  Effects of 
Category Frequency on Generalization
	Mark A. Gluck, Stanford University

Using Distributed Representations to Transmit Information Rapidly
	Geoff Hinton, University of Toronto

Representation of Variables in Connectionist Networks
	Deborah Walters, State University of New York at Buffalo

Distributed Representations and Psychological Similarity
	David E. Rumelhart, Stanford University

Learning and Representation in Connectionist Networks
	Stephen J. Hanson, Bellcore Communications

PAPER PRESENTATIONS
Language 3
Henderson Room
Chair:  David J. Townsend, Montclair State College

Lexical Processing and the Mechanism of Context Effects in Text 
Comprehension
	Amanda J. C. Sharkey, University of Exeter
	Noel E. Sharkey, University of Exeter

Pragmatic Interpretation and Ambiguity
	Charles E. Martin, Yale University

Expertise and Constraints in Interactive Sentence Processing
	David J. Townsend, Montclair State College
	Thomas G. Bever, University of Rochester

Anomaly Detection Strategies for Schema-Based Story Understanding
	David B. Leake, Yale University

Expectation Verification:  A Mechanism for the Generation of Meta 
Comments
	Ingrid Zukerman, Monash University

PLENARY SESSION
Soar
Vandenberg Room
Chair:  John Laird, University of Michigan

Toward a Unified Theory of Immediate Reasoning in Soar
	Thad A. Polk, Carnegie Mellon University
	Allen Newell, Carnegie Mellon University
	Richard L. Lewis, Carnegie Mellon University

Toward a Soar Theory of Taking Instructions for Immediate 
Reasoning Tasks
	Richard L. Lewis, Carnegie Mellon University
	Allen Newell, Carnegie Mellon University
	Thad A. Polk, Carnegie Mellon University

Tower-Noticing Triggers Strategy-Change in the Tower of Hanoi:  A 
Soar Model
	Dirk Ruiz, Carnegie Mellon University
	Allen Newell, Carnegie Mellon University 

3:30 - 4:00 pm - Break - Concourse

4:00 - 6:00 pm

PLENARY SESSION
Cognitive Science 10 Years After the Society's Initial Meeting
Mendelssohn Theater
Chair:  Edward E. Smith, University of Michigan

	Donald Norman, University of California, San Diego
	Roger Schank, Northwestern University
	Alan Collins, Bolt Beranak and Newman
--
		       Gilbert Harman
                       Princeton University Cognitive Science Laboratory
	               221 Nassau Street, Princeton, NJ 08542
			      
		       ghh@princeton.edu
		       HARMAN@PUCC.BITNET